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Hope for Tornado Control

[Photograph]: Hypersonic Shock Tube

Camera Takes Millions of Pictures per Second

Cellulose Made outside a Living Cell

New RNA Species Found

Observatory in Venezuela

America Is Backward in Caring for Oldsters

Picture How Hurricane Continues to Swirl

Child, Adult Addictions

Sex Views Blamed for Early Pregnancies

Baboons Join Fight against Heart Disease

World Flies Resist DDT